C M 3 
9 o’Clock A. M. 
3 o’Clock, P. M. 
Dew 
External Thermometer. 
Bain, in 
Direction 
— 
1826. 
9AM 
inches. 
of the 
August. 
Barom. 
Attached 
Thermo- 
Barom. 
Attached 
Thermo- 
in de* 
r ahrenneit. 
Self-registering. 
Read ofl 
at 9A.M. 
Wind at 
9 A. M. 
Remarks. 
grees of 
meter. 
meter. 
Fahr. 
9 A.M. 
3 P. M. 
Lowest. 
Highest. 
S * 
30.103 
74.O 
30. IOI 
78.5 
6 S 
71-5 
78.5 
68.0 
80.0 
NNE 
Fine— light clouds. 
3 2 
30.023 
70.0 
29.994 
76.0 
6 3 
68.0 
76.0 
63.0 
77.O 
E 
Fine — thin spreading clouds. 
3 
29.911 
68.0 
29.911 
72.0 
66 
65.2 
72.0 
64.8 
00 
0 
b 
4. 
N 
NNE 
( Overcast. At 10 h 30“ P.M. lightning 
( and heavy rain. 
I ? 4 
29.994 
65.2 
30.008 
72.6 
61 
6 3-5 
71.O 
59. 2 
73-2 
O. I25 
N 
Overcast and lowering. 
* 5 
30.041 
6 3-3 
30.081 
68.0 
62 
61.5 
67.0 
58.0 
69.2 
0. 1 66 
N 
Overcast and gloomy. 
© 6 
30. 109 
67.8 
3 0 -I 37 
71.9 
57 
65.5 
71.9 
58.0 
73-5 
NW 
Fine-light clouds. 
5 7 
30.216 
70.0 
30.198 
73.0 
55 
67.8 
73-5 
63.0 
74.8 
SSW 
Fine— light clouds. 
1 * 8 
30.U9 
71 .0 
30.095 
74.6 
65 
69.8 
74.6 
62.0 
75-7 
SW 
Fine — nearly cloudless. 
1 , 5 9 
30.029 
69.0 
29.994 
74.0 
59 
6 7-9 
74 -o 
62.4 
74 - 6 
0.031 
N 
Sky overspread with small clouds. 
1 V- i° 
30.000 
67.6 
29.922 
7 i-S 
59 
67.8 
71.0 
61.6 
72.6 
E 
Fine— nearly cloudless. 
$ 11 
29.905 
65.0 
29.831 
65.4 
6 1 
62.0 
63.0 
60.0 
65.5 
0.125 
SSW 
Overcast — showery. 
b 12 
30.016 
64.8 
30.045 
68.0 
53 
63-5 
67.5 
55.2 
70.5 
0.010 
W by S 
Fine — light clouds. 
© 13 
30.247 
65.0 
30. 196 
69.0 
55 
64.3 
68.7 
55.0 
70.6 
wsw 
A.M. cloudless. P.M. cloudy and overcast. 
D 14 
29.994 
67.0 
29.920 
72.5 
56 
66. 5 
72.2 
56.5 
75-5 
SSW 
f Fine — cloudy — brisk wind. Boisterous 
\ wind during the night. 
$ 1 5 
30.124 
66. 2 
30.041 
70.0 
54 
66.0 
70.0 
57.0 
72.0 
SSW 
Fine and clear — strong breeze. 
$ 16 
29.946 
66.8 
29.994 
69.0 
64 
65.0 
69.0 
61.2 
70.3 
0.031 
SSW 
f A.M. lowering — brisk wind — showery. 
\ P.M. fine — light clouds. 
lOlt 17 
30.136 
65.6 
30.134 
70.5 
57 
64.5 
71.0 
56.6 
73 -o 
WSW 
Fine — light stretching clouds. 
$ 18 
3°-3 l6 
69.2 
30.326 
74-5 
65 
69.8 
75-5 
64. 2 
76.4 
SSW 
Fine-light fleecy clouds. 
b 19 
30.322 
70.0 
30.241 
75.0 
57 
69.5 
75-2 
63.0 
77-6 
SW 
Fine — nearly cloudless. 
© 20 
30.095 
70.5 
t'O 
O 
d 
to 
77.8 
66 
70.0 
79.0 
62.7 
81.2 
NE 
Fine and clear— nearly cloudless. 
D 21 
29.948 
65.0 
29.938 
71.2 
59 
63.0 
70.5 
61 . 2 
72.5 
NNE 
Cloudy and foggy. 
$ 22 
29.905 
68.4 
29.930 
72.0 
60 
67.0 
72.5 
61 .6 
74 -o 
ESE 
Fine. Strong unsteady wind during the night 
2 23 
29.837 
68. 0 
2 9-735 
70.0 
62 
66.5 
69.0 
62.0 
71.8 
0.005 
SSW 
Lowering — strong, unsteady wind. 
74 24 
29.716 
70.0 
2 9-738 
70.6 
60 
65.8 
70.5 
61 .0 
73-8 
SW 
A.M. nearly cloudless. P.M. very cloudy. 
? 25 
29.798 
70.4 
29.720 
73 -o 
62 
69.5 
74-5 
64.8 
75-9 
0.005 
SSW 
f Fine — brisk wind. At 8 P.M. thunder 
\ and lightning, with rain — sultry. 
b 26 
29.821 
66.9 
29.823 
69.6 
6 3 
65.5 
68.5 
62.8 
70.6 
SSW 
Fine — light broken clouds — brisk wind, j 
© 27 
29.950 
66 . 5 
30.008 
69.0 
56 
63 -S 
68.0 
57-5 
70.0 
WbyN 
Cloudy. 
]) 28 
30.004 
66. 2 
30.014 
71.2 
63 
65.0 
69.9 
58.5 
72.5 
ESE 
Cloudy and lowering. 
$ 29 
29 956 
70.8 
29.893 
72.6 
68 
68.8 
73 -o 
65.6 
74-5 
0.010 
SE 
Fine and clear— light clouds— showery. 
5 3 ° 
29.764 
70.5 
29.706 
74.0 
66 
70.4 
74-5 
64.9 
77-5 
SSE 
Fine — cloudy. 
14 31 
29.849 
67.8 
29.848 
70.5 
60 
65.0 
69.0 
63.0 
7 i -5 
WbyN 
Cloudy and overcast. 
Mean 
Mean 
Mean 
Mean 
Mean 
Mean 
Mean 
Mean 
Mean 
Sum 
0 
b 
0 
On 
67.9 
29.985 
71.8 
60.6 
66.4 
71.6 
61.2 
73 - 6 
0.550 
• • Co A 
Monthly Mean of the Barometer, corrected for Capillarity and reduced to 32 0 Fahr. 
3 P.M.) 
29.886 ) 
OBSERVANDA. 
Height of the Cistern of the Barometer above a Fixed Mark on Waterloo Bridge = 83 ft. 2% in. 
above the mean level of the Sea (presumed about) ss 95 ft. 
The External Thermometer is 2 feet higher than the Barometer Cistern. 
Height of the Receiver of the Rain Gage above the Court of Somerset House = 79 ft. o in. 
The hours of observation are of Mean Time — the day beginning at Midnight. 
The Thermometers are graduated by Fahrenheit’s Scale. 
The Barometer is divided into inches and decimals. 
